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PKI Modernization for Post-Quantum

The Infrastructure Bottleneck for Most Migrations

Public key infrastructure is the bottleneck for most enterprise PQC migrations. Post-quantum certificates are dramatically larger than their classical counterparts, with cascade effects on certificate chains, validation, OCSP responses, TLS handshakes, and HSM storage. This in-depth, 8-hour course covers PKI modernization for the post-quantum era: dual-capability PKI design, certificate chain-size consequences, HSM inventory and firmware paths, trust anchor migration, and certificate lifecycle management during the transition.

Who Should Take This Course

PKI engineers, certificate authority administrators, cryptographic engineers, and security architects responsible for public key infrastructure.

What You Will Learn

This course provides hands-on technical depth in a specific dimension of PQC migration, aligned with the PQC Migration Framework. You will gain practical, applicable skills you can use immediately in migration work.

Course Outline

Module 1 — The Post-Quantum PKI Challenge

Why PKI is the infrastructure bottleneck. The certificate size problem: ML-DSA signatures are roughly an order of magnitude larger than ECDSA. Cascade effects: chain validation, OCSP response sizes, TLS handshake latency, and storage. Assessing your PKI’s readiness for post-quantum certificates.

Module 2 — Dual-Capability PKI Design

Designing PKI that supports both classical and post-quantum certificates during transition. Dual-certificate hierarchies. Cross-signing strategies. Composite and hybrid certificate approaches. Managing two trust hierarchies in parallel.

Module 3 — HSM and Trust Anchor Migration

HSM inventory and PQC support assessment. Firmware upgrade paths and vendor timelines. Trust anchor migration strategies. Root and intermediate CA migration sequencing. Key ceremony considerations for post-quantum roots.

Module 4 — Certificate Lifecycle During Transition

Certificate lifecycle management with dual algorithms. Issuance, renewal, and revocation during transition. Automating certificate management for the migration. Monitoring and inventory for a mixed classical/post-quantum certificate estate.

Module 5 — Protocol and Application Impact

How PKI changes affect TLS, code signing, S/MIME, and document signing. Application compatibility with larger certificates. Performance testing for PKI-dependent systems. Managing the transition for systems that cannot handle larger certificates.

Module 6 — Migration Planning and Execution

Building a PKI migration plan. Sequencing PKI migration relative to the broader cryptographic migration. Testing and validation for PKI changes. Rollback planning. Coordinating PKI migration across the organization and with external partners.

Format and Delivery

Online (self-paced) — US$799. Approximately 8 hours. 90-day access.

Live online (instructor-led) — US$799. Scheduled sessions.

Corporate delivery — Custom in-person or online delivery for teams. Contact training@quantumacademy.com.

Prerequisites

A working understanding of PQC fundamentals is recommended. Consider Post-Quantum Foundation or PQCS certification for background. Some courses assume security engineering experience.

Certificate of Completion

Upon completion, you will receive a Quantum Academy certificate of completion. CPE credits earned may apply toward Quantum Academy certification maintenance.

Pricing

OptionPrice
Online (self-paced)US$799
Live online (instructor-led)US$799

All prices are in US dollars.